Jill Carlson joined Goldman Sachs after graduating from Harvard and began a career in conventional financial services before being bitten by the blockchain bug. She moved to the UK for an M.Sc at Oxford (where her dissertation was on Cryptocurrency) and a spell at the Cambridge Centre for Alternative Finance before joining Chain. Chain build permissioned blockchains for companies including Visa, the subject of this podcast.
I'd urge you to take a look at the Chain white paper as well!
Tomorrow's Transactions podast no. 280, edited 10th November 2016.